package com.yhy.shiro.test1.login.realm;

import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authc.IncorrectCredentialsException;
import org.apache.shiro.authc.SimpleAuthenticationInfo;
import org.apache.shiro.authc.UnknownAccountException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.realm.Realm;

public class MyRealm2 implements Realm {

	 @Override
	    public String getName() {
	        return "myrealm2";
	    }

	    @Override
	    public boolean supports(AuthenticationToken token) {
	        return token instanceof UsernamePasswordToken; //仅支持UsernamePasswordToken类型的Token
	    }

	    @Override
	    public AuthenticationInfo getAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {

	        String username = (String)token.getPrincipal();  //得到用户名
	        String password = new String((char[])token.getCredentials()); //得到密码
	        if(!"wang".equals(username)) {
	            throw new UnknownAccountException(); //如果用户名错误
	        }
	        if(!"123".equals(password)) {
	            throw new IncorrectCredentialsException(); //如果密码错误
	        }
	        //如果身份认证验证成功，返回一个AuthenticationInfo实现；
	        return new SimpleAuthenticationInfo(username, password, getName());
	    }

}
